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How to read out current brush size in javascript

Community Beginner ,
Feb 02, 2016 Feb 02, 2016

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How can I read out the current brush size in javascript ?

Either for the paintbrush or e.g. the clonestamp tool.

I want to read the current value and change it to a different one within a script.

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Actions and scripting

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correct answers 1 Correct answer

Participant , Feb 03, 2016 Feb 03, 2016
function getCurrentBrushInfo() {     var brsh = {};     var ref = new ActionReference();     ref.putEnumerated(charIDToTypeID("capp"), charIDToTypeID("Ordn"), charIDToTypeID("Trgt"));     var currentBrush = executeActionGet(ref).getObjectValue(stringIDToTypeID("currentToolOptions")).getObjectValue(charIDToTypeID('Brsh'));     brsh.diameter = currentBrush.getDouble(charIDToTypeID('Dmtr'));     brsh.hardness = currentBrush.getDouble(charIDToTypeID('Hrdn'));     brsh.angle = currentBrush.getDoubl...

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Participant ,
Feb 03, 2016 Feb 03, 2016

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function getCurrentBrushInfo() {

    var brsh = {};

    var ref = new ActionReference();

    ref.putEnumerated(charIDToTypeID("capp"), charIDToTypeID("Ordn"), charIDToTypeID("Trgt"));

    var currentBrush = executeActionGet(ref).getObjectValue(stringIDToTypeID("currentToolOptions")).getObjectValue(charIDToTypeID('Brsh'));

    brsh.diameter = currentBrush.getDouble(charIDToTypeID('Dmtr'));

    brsh.hardness = currentBrush.getDouble(charIDToTypeID('Hrdn'));

    brsh.angle = currentBrush.getDouble(charIDToTypeID('Angl'));

    brsh.roundness = currentBrush.getDouble(charIDToTypeID('Rndn'));

    brsh.spacing = currentBrush.getDouble(charIDToTypeID('Spcn'));

    return brsh

}

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Adobe Community Professional ,
Feb 03, 2016 Feb 03, 2016

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Unfortunately

and change it to a different one within a script

might be a bit of a problem.

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Community Beginner ,
Feb 03, 2016 Feb 03, 2016

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ah, excellent. That looks pretty good. I will try it soon.

If I cannot change all the parameters that I need, I think of using a brush preset that does everything,

and then set back e.g. the brush size to the original value. Therefore I want to read out the current data first.

Setting the brush size should be ok, since it is also recorded by an action.  Not so easy to find the individual parameters of the tools.

Thanks a lot for this great and quick help. Frank.

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New Here ,
Aug 17, 2021 Aug 17, 2021

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hey man old post but do you know anyway to change the flow and opacity of a brush using scripting?

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Adobe Community Professional ,
Aug 17, 2021 Aug 17, 2021

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What kind of instrument are you talking about? (the brush is used by several tools). This code, for example, changes the paintbrushTool options you specified. It will work for other tools too, just replace the class name 

#target photoshop;

var s2t = stringIDToTypeID,
    options = {
        flow: 99,
        opacity: 99,
    };

(r = new ActionReference()).putClass(s2t("paintbrushTool"));
(d = new ActionDescriptor()).putReference(s2t("target"), r);
d.putObject(s2t("to"), s2t("target"), objToDesc(options));
executeAction(s2t("set"), d, DialogModes.NO);


function objToDesc(o) {
    var d = new ActionDescriptor();
    for (var k in o) {
        var v = o[k];
        switch (typeof (v)) {
            case "boolean": d.putBoolean(s2t(k), v); break;
            case "string": d.putString(s2t(k), v); break;
            case "number": d.putInteger(s2t(k), v); break;
        }
    }
    return d;
}

 

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Participant ,
Feb 03, 2016 Feb 03, 2016

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You can change brush size, but I dont know how to change other parameters.

function setCurrentBrushSize(_size) {

    var desc1 = new ActionDescriptor();

    var ref1 = new ActionReference();

    ref1.putEnumerated(charIDToTypeID('Brsh'), charIDToTypeID('Ordn'), charIDToTypeID('Trgt'));

    desc1.putReference(charIDToTypeID('null'), ref1);

    var desc2 = new ActionDescriptor();

    desc2.putUnitDouble(stringIDToTypeID("masterDiameter"), charIDToTypeID('#Pxl'), _size);

    desc1.putObject(charIDToTypeID('T   '), charIDToTypeID('Brsh'), desc2);

    executeAction(charIDToTypeID('setd'), desc1, DialogModes.NO);

}

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Adobe Community Professional ,
Feb 03, 2016 Feb 03, 2016

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Good one!

I seemed to recall that sampled brushes had proved troublesome but this seems to work just fine for those, too.

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Participant ,
Feb 03, 2016 Feb 03, 2016

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Hey, c.pfaffenbichler
I think, your code is works too

setBrushFeatures(100, 50, undefined, undefined, undefined, undefined, );

  

function setBrushFeatures(Diameter, Hardness, Angle, Roundness, Spacing, Flipy, Flipx) { 

  // get app object 

  var appAR = new ActionReference(); 

  appAR.putEnumerated( charIDToTypeID("capp"), charIDToTypeID("Ordn"), charIDToTypeID("Trgt") ); 

  var app = executeActionGet(appAR); 

 

  // get brush settings 

  var brush = app.getObjectValue(stringIDToTypeID('currentToolOptions')) 

                 .getObjectValue(stringIDToTypeID('brush')); 

 

  // set defaults if undefined (copies current brush values) 

  if( brush.hasKey(stringIDToTypeID('sampledData'))){ 

    var SampleIntr = brush.getBoolean(charIDToTypeID('Intr')); 

    var SampleData = brush.getString(stringIDToTypeID('sampledData')); 

    var Name = brush.getString(stringIDToTypeID('name')) 

    Hardness = undefined; 

  }else if (Hardness == undefined) Hardness = brush.getDouble(stringIDToTypeID('hardness')); 

  if (Diameter == undefined)       Diameter = brush.getDouble(stringIDToTypeID('diameter')); 

  if (Angle == undefined )         Angle = brush.getDouble(stringIDToTypeID('angle')); 

  if (Roundness  == undefined)     Roundness = brush.getDouble(stringIDToTypeID('roundness')); 

  if (Spacing == undefined)        Spacing = brush.getDouble(stringIDToTypeID('spacing')); 

  if (Flipy == undefined)          Flipy = brush.getBoolean(stringIDToTypeID('flipY')); 

  if (Flipx == undefined)          Flipx = brush.getBoolean(stringIDToTypeID('flipX')); 

 

  // action with the new parameters 

  var paramsAD = new ActionDescriptor(); 

  paramsAD.putDouble(stringIDToTypeID('diameter'), Diameter); 

  if(Hardness != undefined) paramsAD.putDouble(stringIDToTypeID('hardness'), Hardness); 

  paramsAD.putDouble(stringIDToTypeID('angle'), Angle); 

  paramsAD.putDouble(stringIDToTypeID('roundness'), Roundness); 

  paramsAD.putDouble(stringIDToTypeID('spacing'), Spacing); 

  paramsAD.putBoolean(stringIDToTypeID('flipY'), Flipy); 

  paramsAD.putBoolean(stringIDToTypeID('flipX'), Flipx); 

  if( brush.hasKey(stringIDToTypeID('sampledData'))){ 

    paramsAD.putString(stringIDToTypeID('sampledData'), SampleData); 

    paramsAD.putString(stringIDToTypeID('name'), Name); 

    paramsAD.putBoolean(charIDToTypeID('Intr'), SampleIntr); 

  } 

 

  // action to modify brush 

  var brushAD = new ActionDescriptor(); 

  var brushAR = new ActionReference(); 

  brushAR.putEnumerated( charIDToTypeID( "Brsh" ), charIDToTypeID( "Ordn" ), charIDToTypeID( "Trgt" ) ); 

  brushAD.putReference( charIDToTypeID( "null" ), brushAR ); 

 

  // execute action to modify brush with the new parameters 

  brushAD.putObject( charIDToTypeID( "T   " ), stringIDToTypeID( "sampledBrush" ), paramsAD ); 

  executeAction( charIDToTypeID( "setd" ), brushAD, DialogModes.NO ); 

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Adobe Community Professional ,
Feb 03, 2016 Feb 03, 2016

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Sorry, I’m a bit distracted, but that code does not work with sampled brushes.

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Adobe Community Professional ,
Sep 23, 2016 Sep 23, 2016

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It would most likely also fail with wet brushes for they have different brush tip attributes. 

JJMack

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Community Beginner ,
Aug 21, 2017 Aug 21, 2017

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Is there a way to increase/decrease brush size by 1 pixels from the current brush size using a script? I tried to use the scripts in How to read out current brush size in javascript, but I can't get it to work. Any help will be appreciated! I'm using Photoshop CC 2014, btw.

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Adobe Community Professional ,
Aug 21, 2017 Aug 21, 2017

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Please post the exact code you use.

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Community Beginner ,
Aug 21, 2017 Aug 21, 2017

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function getCurrentBrushInfo() { 

    var brsh = {}; 

    var ref = new ActionReference(); 

    ref.putEnumerated(charIDToTypeID("capp"), charIDToTypeID("Ordn"), charIDToTypeID("Trgt")); 

    var currentBrush = executeActionGet(ref).getObjectValue(stringIDToTypeID("currentToolOptions")).getObjectValue(charIDToTypeID('Brsh')); 

 

    brsh.diameter = currentBrush.getDouble(charIDToTypeID('Dmtr')); 

    return brsh 

function setCurrentBrushSize(_size) { 

    var desc1 = new ActionDescriptor(); 

    var ref1 = new ActionReference(); 

    ref1.putEnumerated(charIDToTypeID('Brsh'), charIDToTypeID('Ordn'), charIDToTypeID('Trgt')); 

    desc1.putReference(charIDToTypeID('null'), ref1); 

    var desc2 = new ActionDescriptor(); 

    desc2.putUnitDouble(stringIDToTypeID("masterDiameter"), charIDToTypeID('#Pxl'), _size); 

    desc1.putObject(charIDToTypeID('T   '), charIDToTypeID('Brsh'), desc2); 

    executeAction(charIDToTypeID('setd'), desc1, DialogModes.NO); 

getCurrentBrushInfo();

var _size = brsh.diameter+1;

setCurrentBrushSize(_size);

I attempted to jumble together the script I saw in the thread I linked

Sorry if this looks stupid/makes no sense, I'm really new to scripting

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Adobe Community Professional ,
Aug 21, 2017 Aug 21, 2017

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You have omitted to define the function’s return as a variable.

#target photoshop

function getCurrentBrushInfo() { 

    var brsh = {}; 

    var ref = new ActionReference(); 

    ref.putEnumerated(charIDToTypeID("capp"), charIDToTypeID("Ordn"), charIDToTypeID("Trgt")); 

    var currentBrush = executeActionGet(ref).getObjectValue(stringIDToTypeID("currentToolOptions")).getObjectValue(charIDToTypeID('Brsh')); 

 

    brsh.diameter = currentBrush.getDouble(charIDToTypeID('Dmtr')); 

    brsh.hardness = currentBrush.getDouble(charIDToTypeID('Hrdn')); 

    brsh.angle = currentBrush.getDouble(charIDToTypeID('Angl')); 

    brsh.roundness = currentBrush.getDouble(charIDToTypeID('Rndn')); 

    brsh.spacing = currentBrush.getDouble(charIDToTypeID('Spcn')); 

 

    return brsh 

}   

 

 

function setCurrentBrushSize(_size) {   

    var desc1 = new ActionDescriptor();   

    var ref1 = new ActionReference();   

    ref1.putEnumerated(charIDToTypeID('Brsh'), charIDToTypeID('Ordn'), charIDToTypeID('Trgt'));   

    desc1.putReference(charIDToTypeID('null'), ref1);   

    var desc2 = new ActionDescriptor();   

    desc2.putUnitDouble(stringIDToTypeID("masterDiameter"), charIDToTypeID('#Pxl'), _size);   

    desc1.putObject(charIDToTypeID('T   '), charIDToTypeID('Brsh'), desc2);   

    executeAction(charIDToTypeID('setd'), desc1, DialogModes.NO);   

}   

 

 

brsh = getCurrentBrushInfo();

var _size = brsh.diameter+1;

setCurrentBrushSize(_size);

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Community Beginner ,
Aug 21, 2017 Aug 21, 2017

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Thank you so much!

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Adobe Community Professional ,
Aug 21, 2017 Aug 21, 2017

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You’re welcome, good luck with your Scripting efforts!

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Guide ,
Aug 21, 2017 Aug 21, 2017

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This should be faster the first time its run as its not getting all the keys.

function getCurrentBrushInfo() {

var brsh = {};

var ref = new ActionReference();

ref.putProperty(charIDToTypeID("Prpr"),stringIDToTypeID("tool"));

ref.putEnumerated(charIDToTypeID("capp"), charIDToTypeID("Ordn"), charIDToTypeID("Trgt"));

var currentBrush = executeActionGet(ref).getObjectValue(stringIDToTypeID("currentToolOptions")).getObjectValue(charIDToTypeID("Brsh"));

brsh.diameter = currentBrush.getDouble(charIDToTypeID("Dmtr"));

brsh.hardness = currentBrush.getDouble(charIDToTypeID("Hrdn"));

brsh.angle = currentBrush.getDouble(charIDToTypeID("Angl"));

brsh.roundness = currentBrush.getDouble(charIDToTypeID("Rndn"));

brsh.spacing = currentBrush.getDouble(charIDToTypeID("Spcn"));

return brsh

};

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Community Beginner ,
Aug 21, 2017 Aug 21, 2017

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It's true, I had trouble with the script as it have a lot of delay the first time it runs. The delay also came back when I alt-tabbed out of Photoshop for while, returned, and executed the script again.

This script is a lot faster with pretty much no delays! Thank you so much!

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New Here ,
Jun 23, 2021 Jun 23, 2021

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Hello sorry to bother you! could you help me getting this script working? I know very little about scripting but this particular script would be extremely helpful, I've tried copying this into notepad and saving it as .jsx and importing it into photoshop. If I've understood there is actually a problem with this code?

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Adobe Community Professional ,
Jun 23, 2021 Jun 23, 2021

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What kind of Brush are you tzrying to scale? 

Do you get an error message? 

Please post meaningful screenshots. 

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New Here ,
Jun 23, 2021 Jun 23, 2021

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I am getting an error, i've attached an image. I think my version of photoshop is different i'm using CC 2020. It's a custom brush that i made myself, it's fairly basic i think, it's not a wetbrush as far as i know. 

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Adobe Community Professional ,
Jun 23, 2021 Jun 23, 2021

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Sampled Brushes have no Hardness. 

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New Here ,
Jun 23, 2021 Jun 23, 2021

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I've realised this, yes my brush is a sampled brush. I have removed this line from the code. now there is no error when i import the script but nothing seems to happen. The script doesn't seem to "save" into the list of scripts after it is loaded either, here is the code I am using : 

 

#target photoshop

function getCurrentBrushInfo() {

var brsh = {};

var ref = new ActionReference();

ref.putEnumerated(charIDToTypeID("capp"), charIDToTypeID("Ordn"), charIDToTypeID("Trgt"));

var currentBrush = executeActionGet(ref).getObjectValue(stringIDToTypeID("currentToolOptions")).getObjectValue(charIDToTypeID('Brsh'));

 

brsh.diameter = currentBrush.getDouble(charIDToTypeID('Dmtr'));

brsh.angle = currentBrush.getDouble(charIDToTypeID('Angl'));

brsh.roundness = currentBrush.getDouble(charIDToTypeID('Rndn'));

brsh.spacing = currentBrush.getDouble(charIDToTypeID('Spcn'));

 

return brsh

}

 

 

function setCurrentBrushSize(_size) {

var desc1 = new ActionDescriptor();

var ref1 = new ActionReference();

ref1.putEnumerated(charIDToTypeID('Brsh'), charIDToTypeID('Ordn'), charIDToTypeID('Trgt'));

desc1.putReference(charIDToTypeID('null'), ref1);

var desc2 = new ActionDescriptor();

desc2.putUnitDouble(stringIDToTypeID("masterDiameter"), charIDToTypeID('#Pxl'), _size);

desc1.putObject(charIDToTypeID('T '), charIDToTypeID('Brsh'), desc2);

executeAction(charIDToTypeID('setd'), desc1, DialogModes.NO);

}

 

 

brsh = getCurrentBrushInfo();

var _size = brsh.diameter+1;

setCurrentBrushSize(_size);

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Adobe Community Professional ,
Jun 23, 2021 Jun 23, 2021

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»now there is no error when i import the script but nothing seems to happen«

What does this mean? Importing a Script? 

 

Just put the jsx in the correct Folder, then you should be able to trigger it via a Keyboard Shortcut. 

 

Please post MEANINGFUL screenshots (so including ALL the pertinent panels) from before and after running the Script. 

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